119 lines
2.1 KiB
JavaScript
119 lines
2.1 KiB
JavaScript
window.addEventListener("keydown", function(e) {
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// space and arrow keys
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if([32, 37, 38, 39, 40].indexOf(e.keyCode) > -1) {
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e.preventDefault();
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}
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}, false);
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var xvb = 0;
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var yvb=0;
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var zoomx = window.innerWidth;
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var zoomy = window.innerHeight;
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updatescr();
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function updatescr(){
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if (zoomx < 51){
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zoomx += 50;
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}
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if (zoomy < 51){
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zoomy += 50;
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}
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let newname = xvb.toString() + " " + yvb.toString() + " " + zoomx.toString() + " " + zoomy.toString();
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$("#svg1").removeAttr("viewBox");
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$("#svg1").each(function(){$(this)[0].setAttribute("viewBox",newname)});
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}
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document.addEventListener("keydown",e=> {
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if(e.keyCode == 40){
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yvb += 10;
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updatescr();
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}
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else if(e.keyCode == 39){
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xvb += 10;
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updatescr();
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}
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else if(e.keyCode == 38){
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yvb -= 10;
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updatescr();
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}
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else if(e.keyCode == 37){
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xvb -= 10;
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updatescr();
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}
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else if(e.keyCode == 187){
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if (!(zoomx < 101)&&!(zoomy < 101)){
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xvb += 25;
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yvb += 25;
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}
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zoomx -= 50;
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zoomy -= 50;
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updatescr();
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}
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else if(e.keyCode == 189){
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xvb -= 25;
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yvb -= 25;
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zoomx += 50;
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zoomy += 50;
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updatescr();
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}
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},false);
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var zooming = false;
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var xbeg = 0;
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var ybeg = 0;
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var moveing = false;
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$("svg").mousemove(function(e){
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if (moveing && selected == "yay"){
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if (!(zooming)){
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zooming = true;
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//setting our first mouse poitions
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xbeg = e.pageX * zoomx/window.innerWidth;
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ybeg = e.pageY * zoomy/window.innerHeight;
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xbeg += xvb;
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ybeg += yvb;
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console.log("started zooming"+xbeg+"and"+ybeg);
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//moveing = (moveing +1)%2;
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}
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var newx = e.pageX * zoomx/window.innerWidth;
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var newy = e.pageY * zoomy/window.innerHeight;
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newx += xvb;
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newy += yvb;
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xvb -= newx - xbeg;
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yvb -= newy - ybeg;
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updatescr();
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console.log(xvb+"newx"+newx+"xbeg"+xbeg);
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}
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});
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$("svg").mousedown(function(e){
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//e.preventDefault();
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moveing = true;
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});
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$("svg").mouseup(function(e){
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e.preventDefault();
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selected = "yay";
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zooming = false;
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moveing = false;
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});
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